Ruby Olive (Banks) Davis born 1891 in Indiana, married Asa Cecil Davis.
According to the 1920 Census, both her parents were from Indiana.
Who are they? I can't seem to find them anywhere...
ref: "United States Census, 1920," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:MF7N-JMR : accessed 25 November 2015), Ruby Olive Davis in household of Cecil Davis, Greenfield Ward 1, Hancock, Indiana, United States; citing sheet 12B, family 342, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,820,436.